package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**动态条件查询购物车中的商品
     *
     * @param shoppingCart
     * @return
     */

    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**根据id 修改商品数量
     *
     * @param shoppingCart
     */

    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);


    //插入购物车数据
    @Insert("insert into shopping_cart(name, image, user_id,dish_id, setmeal_id, " +
            "dish_flavor, amount, create_time,number) VALUES" +
            "(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor}," +
            "#{amount},#{createTime},#{number} )")
    void inser(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void clean(Long userId);


    /**当购物车中的菜品减到0时删除
     *
     * @param shoppingCart1
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void delete(ShoppingCart shoppingCart1);


    void insertBatch(List<ShoppingCart> shoppingCart);
}
